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p.4 #3 · Oh boy.... (Nokton 17.5 f/0.95) | |
^^^ Cool shots Jman!
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Nice comparison! Thanks!
At 1600 I thought the OM-D was slightly better. I loaded the images into browser tabs and flipped back and forth.
At 3200 doing the same thing, I thought the the Nex was slightly better.
They are indeed very very close though.
Interesting!
I would love to see the same thing done but with the GH2 in there too. I'm betting it would come up as about the same as well. Shooting the GH1 I thought the OM-D was so awesome (at noise control with high ISOs) and then I got the GH2 and went... Now wait a minute, I don't see any major difference... :-/
Jman13 wrote:
...modern m4/3 is not two stops worse than FF.
Makten wrote:
The OM-D is not even close to the NEX-5N at ISO 200-800. It's at least one stop difference, probably more. I'll have to do a shootout some day. 
cputeq wrote:
I'm not sure what you mean by this (the OM-D sensor behind the NEX5N, or the low ISO is worse?)
I had to sate my curiosity, though.
Here we go:
Olympus OM-D vs NEX-5N at ISO1600.
Tripod mounted, evaluative metering, F/4 resulting in almost exact exposure settings (A priority mode).
Framed as closely as possible, autoWB on both cameras.
Olympus gradiation was set to "normal" I believe, and shadows and highlights were both zeroed.
RAW, default profile in LR 4.1, exported to JPEG with no resizing, etc.
To all who would slander this test - this is an operational test, meaning if two people were after the same framing and let the camera pick the shutter speed, etc, this is what you'd get. I didn't match exact camera settings, etc, because camera ISO values don't match up exactly, t-stops of lenses, etc. etc.
See my flickr for the full-sized jpegs.
Olympus (WB set to "keep warm = off")
http://www.flickr.com/photos/jl_smith/7713582174/
Sony (WB set to "i'm nowhere close, but call me Auto")
http://www.flickr.com/photos/jl_smith/7713582642/
My results seem to bear what I see in the field - about on par with NEX-5N at pretty much any ISO.
OM-D seems to drop off a cliff at ISo 6400, though, so I'm going to try that next.
In fact, I've got a 5D2 and 7D. I might get bored tonight.

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That said, in a very informal test (5D2 with 100 f/2 vs OMD with oly 45) comparing portrait "looks" and ISOs, etc, the 5D2 appeared to be approximately 1 stop ahead of the Oly when it came to noise, so I could actually see it being two stops behind a D4.
But I mean, c'mon, 2 stops behind the world's best FF low-light camera, especially for a 'tiny' 43 sensor, is damn good.
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Edit - This post corrected, I posted the ISo 1600 shots, not the 3200. I have the 3200 series, though - will upload those next.
edit again --
Oly ISo3200 shot
http://www.flickr.com/photos/jl_smith/7713694000/
Nex ISO3200 shot
http://www.flickr.com/photos/jl_smith/7713694666/
Interestingly enough, if you don't disable Oly's "keep warm" WB option, it comes out pretty similar to the NEX-5Ns.
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